adj.流浪的,漂泊的
He looked at her vague shape through the frosted glass.
他透过雾蒙蒙的眼镜注视着她模糊的身形。
She had married a charming but rather vague Englishman.
她嫁给了一个外表迷人实际却很迷糊的英国人。
They have only a vague idea of the amount of water available.
他们只是大概知道可用水的总量。